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Integral impeller processing method

A technology of integral impeller and processing method, which is applied in the direction of metal processing equipment, manufacturing tools, milling machine equipment details, etc., can solve problems such as collision interference, small blade space, and difficulty in non-interference processing trajectory, so as to achieve stable processing quality and ensure stable quality , The effect of high roughing efficiency

Inactive Publication Date: 2009-12-02
SHANGHAI ELECTRICGROUP CORP
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Problems solved by technology

[0003] From the geometric structure and technological process of the integral impeller, it can be seen that there are many constraints on the machining trajectory planning when machining the integral impeller, and the space between adjacent blades is small, and collision interference is very easy to occur during processing. Automatically generate non-interference Machining trajectory is more difficult

Method used

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  • Integral impeller processing method

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing.

[0015] see figure 1 , a kind of overall impeller processing method of the present invention is shown in the figure, the integral impeller is processed by five-axis numerical control machine tool, and it comprises the following steps:

[0016] Step S1, turning the basic shape of the rotating body on the forging material;

[0017] Step S2, roughing the flow channel part, that is, to carry out cavity milling and roughing on the flow channel part of the integral impeller from different directions with a large-diameter ball-end milling cutter whose diameter is smaller than the smallest gap between two blades. The distance and the roughing of the runner part adopt the 3+2 axis cavity milling method to rough the runner. Compared with the layered progressive method, this method has high roughing efficiency and stable processing quality;

[0018] Step S3, semi-finishing the runner...

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Abstract

The invention discloses an integral impeller processing method for processing an integral impeller through a five-axle number control machine tool. The method comprises the following steps: S1. turning the basic shape of a revolving body on a forging material; S2. performing rough milling to a flow channel part; S3. performing semi finishing to the flow channel part; S4. performing fine finishing to blades; and S5. performing back chipping to the rounding part. The invention ensures that the processing path on the surfaces of the blades can meet the requirement of geometric accuracy, also ensures the processing quality and has high processing efficiency and stable quality.

Description

technical field [0001] The invention relates to a processing method, in particular to a processing method of an integral impeller. technical background [0002] As a key component of power machinery, the integral impeller is widely used in aviation, aerospace, power and other fields, and its quality directly affects its aerodynamic performance and mechanical efficiency. Therefore, its processing technology has always been an important topic in the power machinery manufacturing industry. [0003] From the geometric structure and technological process of the integral impeller, it can be seen that there are many constraints on the machining trajectory planning when machining the integral impeller, and the space between adjacent blades is small, and collision interference is very easy to occur during processing. Automatically generate non-interference Processing trajectory is more difficult. Therefore, in the process of machining the impeller, it is not only necessary to ensur...

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Application Information

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IPC IPC(8): B23P15/02B23C3/18
Inventor 张青雷郑明耀邵玉珍童刚王颖桂士弘张无波郭井宽
Owner SHANGHAI ELECTRICGROUP CORP
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